JAVA-22210 Upgrade dependencies versions for spring-apache-camel module (#14359)

messaging-modules/spring-apache-camel/src/main/java/com/baeldung/camel/apache/file/cfg/ContentBasedFileRouterConfig.java

@@ -1,26 +1,24 @@
 package com.baeldung.camel.apache.file.cfg;
 
-import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 
 import org.apache.camel.builder.RouteBuilder;
-import org.apache.camel.spring.javaconfig.CamelConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 import com.baeldung.camel.apache.file.ContentBasedFileRouter;
 
 @Configuration
-public class ContentBasedFileRouterConfig extends CamelConfiguration {
+public class ContentBasedFileRouterConfig {
 
 	@Bean
 	ContentBasedFileRouter getContentBasedFileRouter() {
 		return new ContentBasedFileRouter();
 	}
 
-	@Override
 	public List<RouteBuilder> routes() {
-		return Arrays.asList(getContentBasedFileRouter());
+		return Collections.singletonList(getContentBasedFileRouter());
 	}
 
 }